void r600_fini(struct radeon_device *rdev);
void r600_irq_disable(struct radeon_device *rdev);
+void r600_get_power_state(struct radeon_device *rdev,
+ enum radeon_pm_action action)
+{
+ int i;
+
+ rdev->pm.can_upclock = true;
+ rdev->pm.can_downclock = true;
+
+ /* power state array is low to high, default is first */
+ if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
+ int min_power_state_index = 0;
+
+ if (rdev->pm.num_power_states > 2)
+ min_power_state_index = 1;
+
+ switch (action) {
+ case PM_ACTION_MINIMUM:
+ rdev->pm.requested_power_state_index = min_power_state_index;
+ rdev->pm.requested_clock_mode_index = 0;
+ rdev->pm.can_downclock = false;
+ break;
+ case PM_ACTION_DOWNCLOCK:
+ if (rdev->pm.current_power_state_index == min_power_state_index) {
+ rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
+ rdev->pm.can_downclock = false;
+ } else {
+ if (rdev->pm.active_crtc_count > 1) {
+ for (i = 0; i < rdev->pm.num_power_states; i++) {
+ if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+ continue;
+ else if (i >= rdev->pm.current_power_state_index) {
+ rdev->pm.requested_power_state_index =
+ rdev->pm.current_power_state_index;
+ break;
+ } else {
+ rdev->pm.requested_power_state_index = i;
+ break;
+ }
+ }
+ } else
+ rdev->pm.requested_power_state_index =
+ rdev->pm.current_power_state_index - 1;
+ }
+ rdev->pm.requested_clock_mode_index = 0;
+ break;
+ case PM_ACTION_UPCLOCK:
+ if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
+ rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
+ rdev->pm.can_upclock = false;
+ } else {
+ if (rdev->pm.active_crtc_count > 1) {
+ for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
+ if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+ continue;
+ else if (i <= rdev->pm.current_power_state_index) {
+ rdev->pm.requested_power_state_index =
+ rdev->pm.current_power_state_index;
+ break;
+ } else {
+ rdev->pm.requested_power_state_index = i;
+ break;
+ }
+ }
+ } else
+ rdev->pm.requested_power_state_index =
+ rdev->pm.current_power_state_index + 1;
+ }
+ rdev->pm.requested_clock_mode_index = 0;
+ break;
+ case PM_ACTION_DEFAULT:
+ rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
+ rdev->pm.requested_clock_mode_index = 0;
+ rdev->pm.can_upclock = false;
+ break;
+ case PM_ACTION_NONE:
+ default:
+ DRM_ERROR("Requested mode for not defined action\n");
+ return;
+ }
+ } else {
+ /* XXX select a power state based on AC/DC, single/dualhead, etc. */
+ /* for now just select the first power state and switch between clock modes */
+ /* power state array is low to high, default is first (0) */
+ if (rdev->pm.active_crtc_count > 1) {
+ rdev->pm.requested_power_state_index = -1;
+ /* start at 1 as we don't want the default mode */
+ for (i = 1; i < rdev->pm.num_power_states; i++) {
+ if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+ continue;
+ else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
+ (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
+ rdev->pm.requested_power_state_index = i;
+ break;
+ }
+ }
+ /* if nothing selected, grab the default state. */
+ if (rdev->pm.requested_power_state_index == -1)
+ rdev->pm.requested_power_state_index = 0;
+ } else
+ rdev->pm.requested_power_state_index = 1;
+
+ switch (action) {
+ case PM_ACTION_MINIMUM:
+ rdev->pm.requested_clock_mode_index = 0;
+ rdev->pm.can_downclock = false;
+ break;
+ case PM_ACTION_DOWNCLOCK:
+ if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
+ if (rdev->pm.current_clock_mode_index == 0) {
+ rdev->pm.requested_clock_mode_index = 0;
+ rdev->pm.can_downclock = false;
+ } else
+ rdev->pm.requested_clock_mode_index =
+ rdev->pm.current_clock_mode_index - 1;
+ } else {
+ rdev->pm.requested_clock_mode_index = 0;
+ rdev->pm.can_downclock = false;
+ }
+ break;
+ case PM_ACTION_UPCLOCK:
+ if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
+ if (rdev->pm.current_clock_mode_index ==
+ (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
+ rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
+ rdev->pm.can_upclock = false;
+ } else
+ rdev->pm.requested_clock_mode_index =
+ rdev->pm.current_clock_mode_index + 1;
+ } else {
+ rdev->pm.requested_clock_mode_index =
+ rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
+ rdev->pm.can_upclock = false;
+ }
+ break;
+ case PM_ACTION_DEFAULT:
+ rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
+ rdev->pm.requested_clock_mode_index = 0;
+ rdev->pm.can_upclock = false;
+ break;
+ case PM_ACTION_NONE:
+ default:
+ DRM_ERROR("Requested mode for not defined action\n");
+ return;
+ }
+ }
+
+ DRM_INFO("Requested: e: %d m: %d p: %d\n",
+ rdev->pm.power_state[rdev->pm.requested_power_state_index].
+ clock_info[rdev->pm.requested_clock_mode_index].sclk,
+ rdev->pm.power_state[rdev->pm.requested_power_state_index].
+ clock_info[rdev->pm.requested_clock_mode_index].mclk,
+ rdev->pm.power_state[rdev->pm.requested_power_state_index].
+ pcie_lanes);
+}
+
+void r600_set_power_state(struct radeon_device *rdev, bool static_switch)
+{
+ u32 sclk, mclk;
+
+ if ((rdev->pm.requested_clock_mode_index == rdev->pm.current_clock_mode_index) &&
+ (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index))
+ return;
+
+ if (radeon_gui_idle(rdev)) {
+
+ sclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
+ clock_info[rdev->pm.requested_clock_mode_index].sclk;
+ if (sclk > rdev->clock.default_sclk)
+ sclk = rdev->clock.default_sclk;
+
+ mclk = rdev->pm.power_state[rdev->pm.requested_power_state_index].
+ clock_info[rdev->pm.requested_clock_mode_index].mclk;
+ if (mclk > rdev->clock.default_mclk)
+ mclk = rdev->clock.default_mclk;
+
+ /* voltage, pcie lanes, etc.*/
+ radeon_pm_misc(rdev);
+
+ if (static_switch) {
+
+ /* set engine clock */
+ if (sclk != rdev->pm.current_sclk) {
+ radeon_set_engine_clock(rdev, sclk);
+ rdev->pm.current_sclk = sclk;
+ DRM_INFO("Setting: e: %d\n", sclk);
+ }
+
+ /* set memory clock */
+ if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
+ radeon_pm_prepare(rdev);
+ radeon_set_memory_clock(rdev, mclk);
+ radeon_pm_finish(rdev);
+ rdev->pm.current_mclk = mclk;
+ DRM_INFO("Setting: m: %d\n", mclk);
+ }
+
+ } else {
+ u32 position;
+ u32 vbl;
+
+ radeon_sync_with_vblank(rdev);
+
+ if (!radeon_pm_in_vbl(rdev))
+ return;
+
+ if (rdev->pm.active_crtcs & (1 << 0)) {
+ vbl = RREG32(AVIVO_D1CRTC_V_BLANK_START_END);
+ position = RREG32(AVIVO_D1CRTC_STATUS_POSITION);
+ position &= 0xfff;
+ vbl &= 0xfff;
+
+ if (position < vbl && position > 1)
+ return;
+ }
+
+ if (rdev->pm.active_crtcs & (1 << 1)) {
+ vbl = RREG32(AVIVO_D2CRTC_V_BLANK_START_END);
+ position = RREG32(AVIVO_D2CRTC_STATUS_POSITION);
+ position &= 0xfff;
+ vbl &= 0xfff;
+
+ if (position < vbl && position > 1)
+ return;
+ }
+
+ if (sclk != rdev->pm.current_sclk) {
+ radeon_pm_debug_check_in_vbl(rdev, false);
+ radeon_set_engine_clock(rdev, sclk);
+ radeon_pm_debug_check_in_vbl(rdev, true);
+ rdev->pm.current_sclk = sclk;
+ DRM_INFO("Setting: e: %d\n", sclk);
+ }
+
+ /* set memory clock */
+ if (rdev->asic->set_memory_clock && (mclk != rdev->pm.current_mclk)) {
+ radeon_pm_debug_check_in_vbl(rdev, false);
+ radeon_pm_prepare(rdev);
+ radeon_set_memory_clock(rdev, mclk);
+ radeon_pm_finish(rdev);
+ radeon_pm_debug_check_in_vbl(rdev, true);
+ rdev->pm.current_mclk = mclk;
+ DRM_INFO("Setting: m: %d\n", mclk);
+ }
+ }
+
+ rdev->pm.current_power_state_index = rdev->pm.requested_power_state_index;
+ rdev->pm.current_clock_mode_index = rdev->pm.requested_clock_mode_index;
+ } else
+ DRM_INFO("GUI not idle!!!\n");
+}
+
+void r600_pm_misc(struct radeon_device *rdev)
+{
+
+}
+
bool r600_gui_idle(struct radeon_device *rdev)
{
if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
u32 mode_int = 0;
u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
+ u32 grbm_int_cntl = 0;
u32 hdmi1, hdmi2;
if (!rdev->irq.installed) {
DRM_DEBUG("r600_irq_set: hdmi 2\n");
hdmi2 |= R600_HDMI_INT_EN;
}
+ if (rdev->irq.gui_idle) {
+ DRM_DEBUG("gui idle\n");
+ grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
+ }
WREG32(CP_INT_CNTL, cp_int_cntl);
WREG32(DxMODE_INT_MASK, mode_int);
+ WREG32(GRBM_INT_CNTL, grbm_int_cntl);
WREG32(R600_HDMI_BLOCK1 + R600_HDMI_CNTL, hdmi1);
if (ASIC_IS_DCE3(rdev)) {
WREG32(R600_HDMI_BLOCK3 + R600_HDMI_CNTL, hdmi2);
case 181: /* CP EOP event */
DRM_DEBUG("IH: CP EOP\n");
break;
+ case 233: /* GUI IDLE */
+ DRM_DEBUG("IH: CP EOP\n");
+ rdev->pm.gui_idle = true;
+ wake_up(&rdev->irq.idle_queue);
+ break;
default:
DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
break;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff